Prince William has proved he's still has the "WOW factor" by coming first in Forbes' poll of the world's Hottest Young Royals.

Members from every royal house in the world attended the celebrations to mark the Diamond Jubilee of King Rama IX, the King of Thailand.

King Rama IX marked his 60th anniversary on the throne today. The King is the world’s longest-serving monarch.

The King wore a golden gown and greeted the crowd from the balcony of the Royal Palace where he made a five minute speech appealing for unity after months of political upheaval.

Their Majesties the King and Queen of Spain have paid a state visit to Thailand. They arrived at Bangkok airport where there were received by the King Rama IX and Queen Shirikit and other Thai officials including the Prime Minister, the deputy Prime Minister and the Thai ambassador to Madrid.